"possum" <-
structure(list(case = c(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 
13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 
29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 
45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 
61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 
77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 
93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104), site = c(1, 
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 
5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 
6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7), Pop = structure(c(1, 
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 
1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2), .Label = c("Vic", 
"other"), class = "factor"), sex = structure(c(2, 1, 1, 1, 1, 
1, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 2, 1, 1, 1, 2, 1, 2, 2, 2, 
1, 2, 1, 1, 2, 1, 2, 2, 2, 2, 1, 2, 1, 1, 1, 2, 1, 2, 2, 2, 2, 
2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 2, 2, 1, 2, 1, 1, 1, 1, 1, 2, 2, 
2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 1, 2, 
2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 1), .Label = c("f", 
"m"), class = "factor"), age = c(8, 6, 6, 6, 2, 1, 2, 6, 9, 6, 
9, 5, 5, 3, 5, 4, 1, 2, 5, 4, 3, 3, 4, 2, 3, 7, 2, 4, 3, 2, 3, 
4, 3, 2, 4, 7, 2, 7, 1, 3, 5, 3, 2, NA, 3, NA, 2, 5, 4, 5, 5, 
6, 3, 7, 2, 3, 4, 3, 2, 2, 7, 3, 6, 3, 5, 3, 4, 5, 5, 7, 6, 1, 
1, 4, 6, 5, 6, 1, 1, 1, 3, 4, 3, 3, 3, 3, 2, 2, 6, 3, 3, 2, 3, 
7, 4, 4, 3, 5, 3, 1, 1, 6, 4, 3), hdlngth = c(94.1, 92.5, 94, 
93.2, 91.5, 93.1, 95.3, 94.8, 93.4, 91.8, 93.3, 94.9, 95.1, 95.4, 
92.9, 91.6, 94.7, 93.5, 94.4, 94.8, 95.9, 96.3, 92.5, 94.4, 95.8, 
96, 90.5, 93.8, 92.8, 92.1, 92.8, 94.3, 91.4, 90.6, 94.4, 93.3, 
89.3, 92.4, 84.7, 91, 88.4, 85.3, 90, 85.1, 90.7, 91.4, 90.1, 
98.6, 95.4, 91.6, 95.6, 97.6, 93.1, 96.9, 103.1, 99.9, 95.1, 
94.5, 102.5, 91.3, 95.7, 91.3, 92, 96.9, 93.5, 90.4, 93.3, 94.1, 
98, 91.9, 92.8, 85.9, 82.5, 88.7, 93.8, 92.4, 93.6, 86.5, 85.8, 
86.7, 90.6, 86, 90, 88.4, 89.5, 88.2, 98.5, 89.6, 97.7, 92.6, 
97.8, 90.7, 89.2, 91.8, 91.6, 94.8, 91, 93.2, 93.3, 89.5, 88.6, 
92.4, 91.5, 93.6), skullw = c(60.4, 57.6, 60, 57.1, 56.3, 54.8, 
58.2, 57.6, 56.3, 58, 57.2, 55.6, 59.9, 57.6, 57.6, 56, 67.7, 
55.7, 55.4, 56.3, 58.1, 58.5, 56.1, 54.9, 58.5, 59, 54.5, 56.8, 
56, 54.4, 54.1, 56.7, 54.6, 55.7, 57.9, 59.3, 54.8, 56, 51.5, 
55, 57, 54.1, 55.5, 51.5, 55.9, 54.4, 54.8, 63.2, 59.2, 56.4, 
59.6, 61, 58.1, 63, 63.2, 61.5, 59.4, 64.2, 62.8, 57.7, 59, 58, 
56.4, 56.5, 57.4, 55.8, 57.6, 56, 55.6, 56.4, 57.6, 52.4, 52.3, 
52, 58.1, 56.8, 56.2, 51, 50, 52.6, 56, 54, 53.8, 54.6, 56.2, 
53.2, 60.7, 58, 58.4, 54.6, 59.6, 56.3, 54, 57.6, 56.6, 55.7, 
53.1, 68.6, 56.2, 56, 54.7, 55, 55.2, 59.9), totlngth = c(89, 
91.5, 95.5, 92, 85.5, 90.5, 89.5, 91, 91.5, 89.5, 89.5, 92, 89.5, 
91.5, 85.5, 86, 89.5, 90, 90.5, 89, 96.5, 91, 89, 84, 91.5, 90, 
85, 87, 88, 84, 93, 94, 89, 85.5, 85, 88, 82.5, 80.5, 75, 84.5, 
83, 77, 81, 76, 81, 84, 89, 85, 85, 88, 85, 93.5, 91, 91.5, 92.5, 
93.7, 93, 91, 96, 88, 86, 90.5, 88.5, 89.5, 88.5, 86, 85, 88.5, 
88, 87, 90, 80.5, 82, 83, 89, 89, 84, 81, 81, 84, 85.5, 82, 81.5, 
80.5, 92, 86.5, 93, 87.5, 84.5, 85, 89, 85, 82, 84, 88.5, 83, 
86, 84, 86.5, 81.5, 82.5, 89, 82.5, 89), taill = c(36, 36.5, 
39, 38, 36, 35.5, 36, 37, 37, 37.5, 39, 35.5, 36, 36, 34, 34.5, 
36.5, 36, 35, 38, 39.5, 39.5, 36, 34, 35.5, 36, 35, 34.5, 35, 
33.5, 37, 39, 37, 36.5, 35.5, 35, 35, 35.5, 34, 36, 36.5, 32, 
32, 35.5, 34, 35, 37.5, 34, 37, 38, 36, 40, 38, 43, 38, 38, 41, 
39, 40, 39, 38, 39, 38, 38.5, 38, 36.5, 36.5, 38, 37.5, 38, 40, 
35, 36.5, 38, 38, 41, 36, 36.5, 36.5, 38, 38, 36.5, 36, 36, 40.5, 
38.5, 41.5, 38, 35, 38.5, 38, 37, 38, 35.5, 37.5, 38, 38, 35, 
38.5, 36.5, 39, 38, 36.5, 40), pes = c(74.5, 72.5, 75.4, 76.1, 
71, 73.2, 71.5, 72.7, 72.4, 70.9, 77.2, 71.7, 71, 74.3, 69.7, 
73, 73.2, 73.7, 73.4, 73.8, 77.9, 73.5, 72.8, 75, 72.3, 73.6, 
70.3, 73.2, 74.9, 70.6, 68, 74.8, 70.8, 73.1, 71.2, 74.3, 71.2, 
68.4, 68.7, 72.8, NA, 62.7, 72, 70.3, 71.5, 72.8, 66, 66.9, 69, 
65, 64, 67.9, 67.4, 71.3, 72.5, 68.7, 67.2, 66.5, 73.2, 63.1, 
63.1, 65.5, 64.1, 63, 68.2, 63.2, 64.7, 65.9, 65, 65.4, 65.7, 
62, 65.7, 61.5, 66.2, 64.5, 62.8, 63, 62.8, 62.3, 65.6, 60.7, 
62, 62.6, 65.6, 60.3, 71.7, 66.7, 64.4, 69.8, 65.5, 67.6, 63.8, 
64.2, 64.5, 66.5, 63.8, 65.6, 64.8, 66, 64.4, 63.5, 62.9, 67.6
), earconch = c(54.5, 51.2, 51.9, 52.2, 53.2, 53.6, 52, 53.9, 
52.9, 53.4, 51.3, 51, 49.8, 53.7, 51.8, 51.4, 53.2, 55.4, 53.9, 
52.4, 52.9, 52.1, 53.3, 53.5, 51.6, 56.2, 50.8, 53, 51.8, 50.8, 
52.5, 52, 51.8, 53.1, 55.5, 52, 52, 49.5, 53.4, 51.4, 40.3, 51.2, 
49.4, 52.6, 54, 51.2, 45.5, 44.9, 45, 47.2, 43.9, 44.3, 46, 46, 
44.9, 46.8, 45.3, 46.4, 44.5, 47, 44.9, 41.3, 46.3, 45.1, 41.7, 
44.2, 44.1, 43.1, 45.6, 44.1, 42.8, 42.4, 44.7, 45.9, 45.6, 46.4, 
42.9, 44.3, 43, 44.8, 41.7, 42.9, 43.3, 43.6, 43.5, 43.7, 46.8, 
43.5, 46.2, 44.8, 48, 46.8, 44.9, 45.1, 45.4, 47.7, 46, 44.3, 
43.8, 46.8, 48, 45.4, 45.9, 46), eye = c(15.2, 16, 15.5, 15.2, 
15.1, 14.2, 14.2, 14.5, 15.5, 14.4, 14.9, 15.3, 15.8, 15.1, 15.7, 
14.4, 14.7, 15.3, 15.2, 15.5, 14.2, 16.2, 15.4, 16.2, 14.9, 15, 
14.2, 15.3, 14, 14.5, 14.5, 14.9, 14.8, 14.4, 16.4, 14.9, 13.6, 
15.9, 13, 13.6, 15.9, 13.8, 13.4, 14.4, 14.6, 14.4, 15, 17, 15.9, 
14.9, 17.4, 15.8, 16.5, 17.5, 16.4, 16.4, 14.5, 14.4, 14.7, 14.4, 
15, 16, 15.2, 17.1, 14, 15.7, 16.5, 17.4, 15, 13, 15, 14.1, 16, 
14.7, 16.9, 17.8, 16.2, 13.2, 14.8, 15, 17, 15.4, 14, 16.3, 14.5, 
13.6, 15, 16, 14.4, 14.5, 15, 14.5, 12.8, 14.4, 14.9, 14, 14.5, 
14.5, 14, 14.8, 14, 13, 15.4, 14.8), chest = c(28, 28.5, 30, 
28, 28.5, 30, 30, 29, 28, 27.5, 31, 28, 27, 28, 28, 28, 29, 28, 
28, 27, 30, 28, 28, 27, 31, 29, 23, 27, 24, 24.5, 27, 28, 24, 
26, 28, 25.5, 28, 27, 25, 27, 27, 25.5, 29, 23, 27, 24.5, 25, 
28, 29.5, 28, 28, 28.5, 26, 30, 30.5, 27.5, 31, 30.5, 32, 26, 
26.5, 27, 25.5, 25.5, 29, 26.5, 27.5, 27, 28.5, 27, 27.5, 25.5, 
23.5, 26, 26, 26, 25, 23, 22, 23.5, 27.5, 26, 25, 25, 27, 26, 
26, 25.5, 29, 25.5, 26, 25.5, 24, 29, 27, 25, 25, 28.5, 28, 23, 
25, 25, 25, 28.5), belly = c(36, 33, 34, 34, 33, 32, 34.5, 34, 
33, 32, 34, 33, 32, 31.5, 35, 32, 31, 32, 32, 36, 40, 36, 35, 
32, 35, 38, 28, 30, 32, 33, 31, 34, 30, 28.5, 35.5, 36, 31.5, 
30, 25, 30, 30.5, 33, 31, 27, 31.5, 35, 33, 35, 35.5, 36, 38.5, 
32.5, 33.5, 36.5, 36, 31.5, 39, 33, 36, 30, 31, 32, 28.5, 33, 
38.5, 34, 29.5, 30, 34, 34, 34, 30, 28, 34, 33.5, 33, 35, 28, 
28.5, 30.5, 35, 32, 29, 28.5, 31.5, 31, 36, 31.5, 30.5, 32.5, 
32, 31, 31, 35, 31, 33, 31.5, 32, 35, 27, 33, 30, 29, 33.5)), .Names = c("case", 
"site", "Pop", "sex", "age", "hdlngth", "skullw", "totlngth", 
"taill", "pes", "earconch", "eye", "chest", "belly"), row.names = c("C3", 
"C5", "C10", "C15", "C23", "C24", "C26", "C27", "C28", "C31", 
"C32", "C34", "C36", "C37", "C39", "C40", "C45", "C47", "C48", 
"C50", "C54", "C55", "C58", "C59", "C60", "C61", "C63", "C64", 
"A1", "A2", "A3", "A4", "AD1", "BB4", "BB13", "BB15", "BB17", 
"BB25", "BB31", "BB33", "BB36", "BB38", "BB40", "BB41", "BB44", 
"BB45", "WW1", "WW2", "WW3", "WW4", "WW5", "WW6", "WW7", "BR1", 
"BR2", "BR3", "BR4", "BR5", "BR6", "BR7", "CD1", "CD2", "CD3", 
"CD4", "CD5", "CD6", "CD7", "CD8", "CD9", "CD10", "CD11", "CD12", 
"CD13", "BSF1", "BSF2", "BSF3", "BSF4", "BSF5", "BSF6", "BSF7", 
"BSF8", "BSF9", "BSF10", "BSF11", "BSF12", "BSF13", "BTP1", "BTP3", 
"BTP4", "BTP5", "BTP6", "BTP7", "BTP8", "BTP9", "BTP10", "BTP12", 
"BTP13", "BTP14", "BTP15", "BTP16", "BTP17", "BTP19", "BTP20", 
"BTP21"), class = "data.frame")
